package hihocoder;
import java.util.Scanner;

/**
 * 
 */

/**
 * @author zhongfang
 *
 */
public class sitRep {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		String string=scanner.nextLine();
		int N=string.length();
		int lines=N/16;
		char[][] inputs=new char[lines][16];
		int k=0;
		for (int i = 0; i <lines ; i++) {
			for (int j = 0; j < 16; j++) {
				inputs[i][j]=string.charAt(k);
			}
		}
		for (int i = 0; i < lines; i++) {
			
		}
		char a='c';
		System.out.println(Integer.toHexString((int)a));
	}

}
